©2006 Silicon Storage Technology, Inc.S71231-06-0001/061The SST logo and SuperFlash are registered Trademarks of Silicon Storage Technology, Inc.These specifications are subject to change without notice.Data SheetFEATURES:•Single 2.7-3.6V Read and Write Operations•Serial Interface Architecture– SPI Compatible: Mode 0 and Mode 3•20 MHz Max Clock Frequency•Superior Reliability– Endurance: 100,000 Cycles (typical)– Greater than 100 years Data Retention•Low Power Consumption:– Active Read Current: 7 mA (typical)– Standby Current: 8 µA (typical)•Flexible Erase Capability– Uniform 4 KByte sectors– Uniform 32 KByte overlay blocks•Fast Erase and Byte-Program:– Chip-Erase Time: 70 ms (typical)– Sector- or Block-Erase Time: 18 ms (typical)– Byte-Program Time: 14 µs (typical)•Auto Address Increment (AAI) Programming– Decrease total chip programming time over Byte-Program operations•End-of-Write Detection– Software Status•Hold Pin (HOLD#)– Suspends a serial sequence to the memorywithout deselecting the device•Write Protection (WP#)– Enables/Disables the Lock-Down function of the status register•Software Write Protection– Write protection through Block-Protection bits in status register•Temperature Range– Commercial: 0°C to +70°C– Industrial: -40°C to +85°C– Extended: -20°C to +85°C•Packages Available– 8-lead SOIC 150 mil body widthfor SST25VF020– 8-lead SOIC 200 mil body widthfor SST25VF040– 8-contact WSON (5mm x 6mm)•All non-Pb (lead-free) devices are RoHS compliantPRODUCT DESCRIPTIONSST’s serial flash family features a four-wire, SPI-com-patible interface that allows for a low pin-count packageoccupying less board space and ultimately lowering totalsystem costs. SST25VF020/040 SPI serial flash memo-ries are manufactur...